Home / 4,613.28-6,919.90-1,281.58

Finding the Fourth Proportional to 4,613.28, 6,919.90 and 1,281.58

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Solution

The fourth proportional to 4,613.28, 6,919.90 and 1,281.58 is: 1,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.28 : 6,919.90 = 1,281.58 : x
  2. Step 2: Convert to fraction form
    4,613.28/6,919.90 = 1,281.58/x
  3. Step 3: Cross multiply
    4,613.28x = 6,919.90 × 1,281.58
  4. Step 4: Simplify right side
    4,613.28x = 8,868,405.44
  5. Step 5: Solve for x
    x = 8,868,405.44/4,613.28
  6. Step 6: Final answer
    x = 1,922.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.